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UT139B Digital Multimeter

DC and AC Voltage:40mV/400V/600V
DC and AC Current:400μ/400mA/4A/10A
Resistance :400Ω/4kΩ/4MΩ/40MΩ
Capacitance (F):9.999nF/99.99nF/99.99mF
Manufacturer: Uni-Trend
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UT139B True RMS Digital Multimeter

UNI-T's UT139B is a True RMS auto range digital multimeter with 4000 display count and 1kHz bandwidth, featuring VFC, NCV, Max/Min/Rel measurements.UT139B price is available in sensotech website.

Main features

1. MAX/MIN/REL modes

2. Data hold, LED backlight, auto power off

3. VFC: low pass filter

4. Full range protection (600V) 

5. True RMS

6. NCV

7. Auto/manual ranges selectable

Specifications Range Best Accuracy
Model   UT139B
DC Voltage (V) 40mV/400mV/4V/40V/400V/600V ±(0.5%+2) 
AC Voltage (V) 40mV/400mV/4V/40V/400V/600V ±(0.8%+3) 
DC Current (A) 400μA/4000μA/40mA/400mA/4A/10A ±(0.7%+2) 
AC Current (A) 400μA/4000μA/40mA/400mA/4A/10A ±(1%+3) 
Resistance (Ω) 400Ω/4kΩ/40kΩ/400kΩ/4MΩ/40MΩ ±(0.8%+2) 
Capacitance (F)

9.999nF/99.99nF/999.9nF/9.999μF/99.99μF

/999.9μF/9.999mF/99.99mF

±(4.0%+5)
Frequency (Hz) 10Hz-10MHz ±(0.1%+4) 
Features
Display Count   4000
Auto Range   √  
Manual Range   √  
True RMS   √  
Bandwidth (Hz)   45Hz ~1kHz
V.F.C   √  
Duty Cycle 0.1% ~ 99.9%  √  
Diode   Around 3V
NCV   √  
Auto Power Off Around 15 minutes √  
Continuity Buzzer   √  
Low Battery    Indication ≤2.5V √  
Data Hold   √  
Relative Mode   √  
MAX/MIN   √  
LCD Backlight   √  
Input Protection 600Vrms √  
Input Impedance for DCV 1GΩ Max √  
General Characteristics 
Power AA1.5*2
LCD Size 58mm × 36mm
Product Colour Red and grey 
Product Net Weight 370g 
Product Size 175mm x 81mm x 48.5mm 
Standard    Accessories Battery, test leads
Standard Individual Packing Gift box, English manual
Standard Quantity Per Carton 40pcs
Standard Carton Measurement 645×450×340mm (0.098CBM per standard carton)
Standard Carton Cross Weight 25.5kg 

 

UT139B True RMS Digital Multimeter

UNI-T's UT139B is a True RMS auto range digital multimeter with 4000 display count and 1kHz bandwidth, featuring VFC, NCV, Max/Min/Rel measurements.UT139B price is available in sensotech website.

Main features

1. MAX/MIN/REL modes

2. Data hold, LED backlight, auto power off

3. VFC: low pass filter

4. Full range protection (600V) 

5. True RMS

6. NCV

7. Auto/manual ranges selectable

Specifications Range Best Accuracy
Model   UT139B
DC Voltage (V) 40mV/400mV/4V/40V/400V/600V ±(0.5%+2) 
AC Voltage (V) 40mV/400mV/4V/40V/400V/600V ±(0.8%+3) 
DC Current (A) 400μA/4000μA/40mA/400mA/4A/10A ±(0.7%+2) 
AC Current (A) 400μA/4000μA/40mA/400mA/4A/10A ±(1%+3) 
Resistance (Ω) 400Ω/4kΩ/40kΩ/400kΩ/4MΩ/40MΩ ±(0.8%+2) 
Capacitance (F)

9.999nF/99.99nF/999.9nF/9.999μF/99.99μF

/999.9μF/9.999mF/99.99mF

±(4.0%+5)
Frequency (Hz) 10Hz-10MHz ±(0.1%+4) 
Features
Display Count   4000
Auto Range   √  
Manual Range   √  
True RMS   √  
Bandwidth (Hz)   45Hz ~1kHz
V.F.C   √  
Duty Cycle 0.1% ~ 99.9%  √  
Diode   Around 3V
NCV   √  
Auto Power Off Around 15 minutes √  
Continuity Buzzer   √  
Low Battery    Indication ≤2.5V √  
Data Hold   √  
Relative Mode   √  
MAX/MIN   √  
LCD Backlight   √  
Input Protection 600Vrms √  
Input Impedance for DCV 1GΩ Max √  
General Characteristics 
Power AA1.5*2
LCD Size 58mm × 36mm
Product Colour Red and grey 
Product Net Weight 370g 
Product Size 175mm x 81mm x 48.5mm 
Standard    Accessories Battery, test leads
Standard Individual Packing Gift box, English manual
Standard Quantity Per Carton 40pcs
Standard Carton Measurement 645×450×340mm (0.098CBM per standard carton)
Standard Carton Cross Weight 25.5kg 

 

Products specifications
Producer UNI-T
Made in Taiwan
device type Portable
Display screen Large LCD display with max display 4000
DC voltage 40mV/400mV/4V/40V/400V/600V
DC voltage 40mV/400mV/4V/40V/400V/600V
AC voltage 400μA/4000μA/40mA/400mA/4A/10A
AC Current 400μA/4000μA/40mA/400mA/4A/10A
Range of resistance measurements 400Ω/4kΩ/40kΩ/400kΩ/4MΩ/40MΩ
Capacitor Measuring Range 9.999nF/99.99nF/999.9nF/9.999μF/99.99μF/999.9μF/9.999mF/99.99mF
Frequency range measurement 10Hz-10MHz
Sampling frequency 45Hz ~1kHz
Input impedance 1GΩ Max
Battery AA1.5*2
Dimensions 175mm x 81mm x 48.5mm
Weight 370g